20022124015525 has 12 divisors (see below), whose sum is σ = 24831795001572. Its totient is φ = 16014885520640.

The previous prime is 20022124015423. The next prime is 20022124015541. The reversal of 20022124015525 is 52551042122002.

It can be written as a sum of positive squares in 6 ways, for example, as 4230290492289 + 15791833523236 = 2056767^2 + 3973894^2 .

It is not a de Polignac number, because 20022124015525 - 2³⁵ = 19987764277157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70197124 + ... + 70481773.

It is an arithmetic number, because the mean of its divisors is an integer number (2069316250131).

Almost surely, 2^{20022124015525} is an apocalyptic number.

20022124015525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20022124015525 is a deficient number, since it is larger than the sum of its proper divisors (4809670986047).

20022124015525 is a wasteful number, since it uses less digits than its factorization.

20022124015525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140684600 (or 140684595 counting only the distinct ones).

The product of its (nonzero) digits is 16000, while the sum is 31.

Adding to 20022124015525 its reverse (52551042122002), we get a palindrome (72573166137527).

The spelling of 20022124015525 in words is "twenty trillion, twenty-two billion, one hundred twenty-four million, fifteen thousand, five hundred twenty-five".